Dear Carmen Tsang,
We would like to inform that if you are flying directly to Phu Quoc and spending your vacation on the island only not to other cities in Vietnam, you can enjoy the Vietnam visa exemption right of 30 days single entry at Phu Quoc island without worrying about Vietnam visa.
In case you have transit flight to Phu Quoc from any other Vietnam airports or have plan to visit other cities in Vietnam, kindly provide us your arrival international flight number to Vietnam and your itinerary for further advice.
Best regards,
Grace, Nguyen (Ms.)
Sales Executive